Backplate for light fixture



FIG. 1 is a front view of the backplate for a light fixture;

FIG. 2 is a right side view of the backplate for a light fixture wherein the left side view is a mirror image thereof;

FIG. 3 is a top view of the backplate for a light fixture;

FIG. 4 is a bottom view of the backplate for a light fixture; and,

FIG. 5 is a back view of the backplate for a light fixture. 

The ornamental design for a backplate for a light fixture, as shown and described. 